Cocktail shaker



FIG. 1 is a side and bottom perspective view of a cocktail shaker showing our new design;

FIG. 2 is a side view thereof; all sides being identical;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is an exploded view thereof. 

CLAIM The ornamental design for a cocktail shaker, as shown and described. 